Home / 452,140.36-678,431.04-185,980.84

Finding the Fourth Proportional to 452,140.36, 678,431.04 and 185,980.84

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Solution

The fourth proportional to 452,140.36, 678,431.04 and 185,980.84 is: 279,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,140.36 : 678,431.04 = 185,980.84 : x
  2. Step 2: Convert to fraction form
    452,140.36/678,431.04 = 185,980.84/x
  3. Step 3: Cross multiply
    452,140.36x = 678,431.04 × 185,980.84
  4. Step 4: Simplify right side
    452,140.36x = 126,175,174,701.27
  5. Step 5: Solve for x
    x = 126,175,174,701.27/452,140.36
  6. Step 6: Final answer
    x = 279,061.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.